diff --git a/UltiSnips/javascript.snippets b/UltiSnips/javascript.snippets
index 3302bfe..70c248e 100644
--- a/UltiSnips/javascript.snippets
+++ b/UltiSnips/javascript.snippets
@@ -12,24 +12,16 @@ snippet cl "console.log( ... )"
 console.log($0);
 endsnippet
 
-snippet if "if ( ... ) { ... }"
-if ($1) {
+snippet .fe "...forEach( ... );" i
+.forEach(($1) => {
 	$0
-}
+});
 endsnippet
 
-snippet ifelse "if ( ... ) { ... } else { ... }"
-if ($1) {
-	$2
-} else {
+snippet .ae "...addEventListener( ... );" i
+.addEventListener('$1', ($2) => {
 	$0
-}
-endsnippet
-
-snippet for "for ( ... ) { ... }"
-for (let ${1:index} = ${2:0}; $1 $3; $1${4:++}) {
-	$0
-}
+});
 endsnippet
 
 snippet st "setTimeout( ... )"
@@ -37,6 +29,22 @@ setTimeout(() => {$0
 }, ${1:1000});
 endsnippet
 
+snippet dq "document.querySelector( ... )"
+document.querySelector($0)
+endsnippet
+
+snippet dqa "document.querySelectorAll( ... )"
+document.querySelectorAll($0)
+endsnippet
+
+snippet cdq "const ... = document.querySelector( ... )"
+const $1 = document.querySelector($0);
+endsnippet
+
+snippet cdqa "const ... = document.querySelectorAll( ... )"
+const $1 = document.querySelectorAll($0);
+endsnippet
+
 snippet jsx "import React ..."
 import React from "react";
 
diff --git a/UltiSnips/markdown.snippets b/UltiSnips/markdown.snippets
index 25cbc93..3bc81ff 100644
--- a/UltiSnips/markdown.snippets
+++ b/UltiSnips/markdown.snippets
@@ -1,8 +1,21 @@
-snippet ln "[...](...)"
-[$1]($2)
+snippet l "[...](...)"
+[${1:title}](${2:url})
 endsnippet
 
-snippet cd "``` ..."
+snippet c "``` ..."
 \`\`\`$0
 \`\`\`
 endsnippet
+
+# latex
+snippet vc "vector"
+\\begin{bmatrix} $1 \\\\ $2 \\end{bmatrix}
+endsnippet
+
+snippet mx "matrix"
+\\begin{bmatrix} $1 & $2 \\\\ $3 & $4 \\end{bmatrix}
+endsnippet
+
+snippet lmb "lambda" i
+\\lambda $0
+endsnippet
diff --git a/spell/en.utf-8.add b/spell/en.utf-8.add
index 20ec91c..8610293 100644
--- a/spell/en.utf-8.add
+++ b/spell/en.utf-8.add
@@ -179,3 +179,4 @@ ajax
 mimetype
 thumbnailers
 Diagonalisation
+yah
diff --git a/spell/en.utf-8.add.spl b/spell/en.utf-8.add.spl
index e0e30d0..0bf149f 100644
Binary files a/spell/en.utf-8.add.spl and b/spell/en.utf-8.add.spl differ